Bc549c transistor npn 30v 100ma to92 fairchild semiconductor datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. It is typically used for lowcurrent, medium voltage, and moderate speed purposes. It is designed for low current and power, medium voltage, and can operate at moderately high speeds. But the programming software detects the programmer.
Low noise input stages, hifi amplifiers, signal processing circuits of television receivers. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon transistor 2002 fairchild semiconductor corporation. The bc549c is a small signal npn, but has particularly wimpy max collector current of only 100 ma. The bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. Without data sheets that explain what part is good for what purpose, wed become vulnerable to the braineating whats the best programming language. Its electrical properties compare much more favourably with the bc547, where vcbo 50 v, vces 50 v, vceo 45 v, vebo 6 v. The useful dynamic range extends to 100 ma as a switch and to 100 mhz as an amplifier. Can i replace a 2n222 by a bc558b, bc549c or bc327. Low noise transistors bc549b,c npn silicon bc550b,c. I you dont need comparison tables very often you might get the info online at eca semiconductor information resource since 1970 online information is charged with a small fee. This transistor is also available in a throughthehole to92 bulk, and ammopack versions. The device may not function or be opera ble above the recommended operating conditions and stressing the parts to these levels is not recommended. Npn general purpose amplifier continued typical characteristics continued storage time vs collector current 1 10 100 5 10 100 500.
Low noise transistors npn silicon maximum ratings rating symbol bc549 bc550 unit collectoremitter voltage vceo 30 45 vdc collectorbase voltage vcbo 30 50 vdc emitterbase voltage vebo 5. I made the same circuit with 2n2222 transistor but it didnt work. The transistor npn important 2n3904 specifications from. After comparing the spec sheets online and doing a little bit of googling, i found that pnp transistor 2n3906s characteristics and specs seem to fit. With bipolar transistors, the value for emitterbase voltage noise and base current noise of. It is very simple amplifier circuit using transistor 2n3904 only. The 2n3904 is common generalpurpose lowpower npn transistor used amplifying or switching applications. The bc558b is a pnp, so not a replacement for the 2n2222.
Do you like more bc547c for higher frequency applications or 2n3904. Electrical characteristics t a 25c unless otherwise noted. This kit is what you need to develop numerous different transistor circuits. Bc548 is a npn transistor so the collector and emitter will be left open reverse biased when the base pin is held at ground and will be closed. Youll be notified as soon as this item is on special or. I didnt have that one, but a small assortment of others so far, ive tried c1815, and 2n3904 pdf datasheets linked. Bc549c general purpose transistors page 1 120508 v1. This is similar to the characteristics of the 2n3904 where vcbo 60 v, vceo 40 v, vebo 6 v.
Can general purpose transistors like 2n3904, 2n4401, bc547, 2n2222, etc. Bc547 is a npn transistor hence the collector and emitter will be left open reverse biased when the base pin is held at ground and will be closed forward biased. It includes the extremely useful nightfire prototype transistor pcb along with some of. If you need 200 ma collector current capability, then thats not fine. Unit vcbo collectorbase voltage open emitter bc549. Small signal transistors are widely used in all segments and for several applications in almost all equipment. Bc549c datasheet, bc549c pdf, bc549c data sheet, datasheet, data sheet, pdf home all manufacturers by category part name, description or manufacturer contain.
Small signal transistors industry standard st nearest st. The transistor npn a current amplifier makes small currents bigger the 2n3904 transistor. Bc549c, bc550c low noise transistors npn silicon features these are pb. Bc548 datasheet, bc548 pdf, bc548 data sheet, bc548 manual, bc548 pdf, bc548, datenblatt, electronics bc548, alldatasheet, free, datasheet, datasheets, data sheet. Your understanding is correct, in that you have to careful about subjecting your i o pins directly to external devices. Btw, buying 2n transistors in germany they are not called american transistors but japanese. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and equivalents to each other. The 2n3904 is a small signal generalpurpose npn transistor. Im just getting started with transistor circuits, and found this introduction useful.
The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. It is a high gain but low power output and inverts signal output. Bc548 transistor pinout, equivalent, working as amplifier. Emitter voltage bc549c bc550c vceo 30 45 vdc collector. General purpose transistors, best suited for use in driver stages of audio amplifiers, of tape recorders. Bc549c datasheet, equivalent, cross reference search. It is one of the lowestcost general purpose transistors currently available on the market, and compares well with the bc range of npn transistors. This part number is available in a multitude of different voltage ratings.
Complete technical details can be found at the bc548 transistor datasheet give at the end of this page. If thats all you need, like driving a relay that takes 35 ma, then thats fine. Commonly available transistors like 2n3904, 2n2222, bc337. Bc549c transistor datasheet pdf, bc549c equivalent. Between bc547 and 2n2222, which one is better is for. And the gain grades a,b,c line up too so its really the bc549c you want to replace the 109c gain about 400 or higher. I once did a simulation for some ronja differential limiting amplifier which showed that bc547c is a bit better than 2n3904 because, despite it being lazy, it has higher amplification. If the 2n3904 was driving the relay ok, the bc337 should work fine with no other changes.
Discussion in homebrew and kit projects started by kd2ixs, nov 30, 2015. Bc549c sc43a plastic singleended leaded through hole package. Very simple amplifier circuit using transistor 2n3904. However, with the c1815, the collector emitter connection is always open, regardless of how the base is connected.
Free devices maximum ratings rating symbol value unit collector. Industry standard st nearest st replacement industry standard st nearest st replacement. Complete technical details can be found at the datasheet give at the end of this page. Youll be notified as soon as this item is back in stock.
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